2004 GY21

2004GY21, 2001 SH195, 2001SH195, H5066, K01SJ5H, K04G21Y

All data for this body: [vot]

MPC data
Name (number) 2004 GY21 (175066)
a 2.85956
e 0.00526
i / sin(i) 2.7290 / 0.04761
q 2.84453
Q 2.87459
ω 346.0521
Node 138.6018
m 190.3807
n 0.2038
Epoch 2460800.5
nobs 754
nopp 20
Years observed 1992-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.860
ep 0.038
sin(ip) 0.036
G 0.150
H 16.340
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.823
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8596 0.0384 0.0356 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.0123 0.1680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.0985 0.1680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.2543 0.1680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.2721 0.1680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.0629 0.1680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1103 0.1680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT